phd presentation redd+ guiana shield project · general presentation – phd: context r and...
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![Page 1: PhD presentation REDD+ Guiana Shield Project · General presentation – PhD: Context R and Objectives 14 2 G. PhD presentation •Beginning : october 2013 in Kourou (French Guiana)](https://reader034.vdocuments.net/reader034/viewer/2022051920/600d51da6e8843382824cc5a/html5/thumbnails/1.jpg)
PhD presentation – REDD+ Guiana Shield Project
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General presentation – PhD:
Context and Objectives
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PhD presentation
• Beginning : october 2013 in Kourou (French Guiana)
– Review of existing litterature
– Identifying main drivers of deforestation and some of the data available in French Guiana
– Training with data manipulation
• Ending : october 2016
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• Bruno Hérault: researcher at CIRAD, leader of the Paracou field station
• Jean-Michel Salles: senior researcher (CNRS), Environmental and Resource Economics, Economics for Biodiversity (associated with the GUYASIM project)
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PhD supervisors
View from the Guyaflux tower, Paracou field station
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Institutional Context
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PhD objectives
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General objective
• Modeling future deforestation and forest degradation in the GS in function of different political and socio-economic scenarios
• Produce:
– Better understanding of the drivers of deforestation in the GS
– Future deforestation maps and deforestation trends
– Different socio-economic scenarios
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Building a spatio-temporal model
• Need for quantifying forest cover change over time
• Need for quantifying forest cover change over space
• Finding relationships between observed deforestation and suspected drivers of deforestation in order to be able to explain past and predict future deforestation
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PhD outputs for the project
• Go beyond the objectives of the thesis itself
• Spatio-temporal deforestation model and deforestation maps publicly available
• Linking people from different countries and institution during the investigation process
• Capacity building concerning modelling and statistical tools like R
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First methodological choices
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Deforestation data
• Hansen et al., 2014, Science:
– Spatial resolution: 30x30m (Landsat)
– Temporal resolution: yearly (2000-2012)
– Same methodology for the whole region
– Work published in a high level international journal
• Data quality assessment still to come
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Model programming
• R software will be used :
– Free and open source language
– No interface (knowledge in programming is required) but :
– No blackbox : everything in the model will be explicit and be available after publication of the results
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1rst step : Reflexion on the model’s structure (ex. Guy. Fr.)
• Distinguish between different land characteristics (administrative or not : NA, protected area, area under presence of gold-greenstone, permanent forest estate or other)
• With the help of local experts, identify important deforestation drivers for each kind of zone and their specific dynamics
• Possibility for testing different scenarios
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Example Gold mining(1) 12
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Example Gold mining(2) 12
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Location / Quantification
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Future project needs
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General needs
• Local expertise and comments on deforestation maps and deforestation drivers
• Local expertise on deforestation drivers’ future trends
• Local data
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Suggested process (1)
• Validating model structure (sub-models by land characteristics) with data from other countries:
– Road networks;
– River networks;
– Protected areas;
– Geological map (gold-mining areas).
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Suggested process (2)
• Visiting each country to discuss the previous results and learn from local experts about the most important drivers of deforestation and their respective dynamics (july-august)
• Working on modelling past deforestation based on local expertise and data concerning the drivers of deforestation (autumn to winter)
• Elaborating different scenarios with the help of local experts (next year)
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Suggested process (3)
• Meeting with the partners before begining each step of the modeling process
• Followed by 2 or 3 months of personal work, necessary for taking into account remarks and advice
• Cooperation is necessary for correctly modeling the deforestation process as well as for an efficient capacity building in each country
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Thanks for your attention